2018 CITROEN C4 tow

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Airbags
General information
System designed to contribute towards improving   the   safety   of   the   occupants   (with  
t

he   exception   of   the   rear   centre   passenger)  
i

n   the   event   of   violent   collisions.   The   airbags  
s

upplement   the   action   of   the   seat   belts   fitted  
w

ith   force   limiters   (all   except   the   centre   rear  
p

assenger
 b
elt).
If a collision occurs, the electronic detectors
record
  and   analyse   the   front   and   side   impacts  
s

ustained   in   the   impact   detection   zones:
-
 
i
n   the   case   of   a   serious   impact,   the   airbags  
a

re deployed instantly and contribute
towards better protection of the occupants
of
  the   vehicle   (with   the   exception   of   the  
r

ear   centre   passenger);   immediately   after  
t

he   impact,   the   airbags   deflate   rapidly   so  
t

hat   they   do   not   hinder   visibility   or   the   exit  
o

f the occupants,
-
 
i
n   the   case   of   a   minor   or   rear   impact   or   in  
c

ertain   roll-over   conditions,   the   airbags  
m

ay   not   be   deployed;   the   seat   belt  
a

lone   contributes   towards   ensuring   your  
p

rotection   in   these   situations. The airbags do not operate when the
ignition is switched off.
This
  equipment   will   only   deploy   once.  
I

f   a   second   impact   occurs   (during   the  
s

ame   or   a   subsequent   accident),   the  
a

irbag   will   not   be   deployed   again.Deployment
  of   one   or   more   of   the  
a

irbags   is   accompanied   by   a   slight  
e

mission   of   smoke   and   a   noise,   due  
t

o the activation of the pyrotechnic
cartridge
  incorporated   in   the   system.
This
  smoke   is   not   harmful,   but   sensitive  
i

ndividuals   may   experience   slight  
ir

ritation.
The noise of detonation related to the
deployment
  of   one   or   more   airbags   may  
r

esult   in   a   slight   loss   of   hearing   for   a  
s

hort   time.
Impact detection zones
A. Front  impact   zone.
B. S ide   impact   zone.
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In the event of a minor impact or bump on the side of the vehicle or if the
vehicle
  rolls   over,   the   airbags   may   not  
b

e   deployed.
In the event of a rear or front collision,
none
  of   the   lateral   airbags   is   deployed.
System
 
contributing
 
towards
 
greater
 
protection
 
f

or
 
the
 
the
 
driver
 
and
 
passengers
 
(with
 
the
 
e

xception
 
of
 
the
 
rear
 
centre
 
passenger)
 
in
 
the
 
e

vent
 
of
 
a
 
serious
 
side
 
impact
 
in
 
order
 
to
 
limit
 
t

he
 
risk
 
of
 
injury
 
to
 
the
 
side
 
of
 
the
 
head.
Each
 
curtain
 
airbag
 
is
 
built
 
into
 
the
 
pillars
 
and
 
t

he
 
upper
 
passenger
 
compartment
 
area.
Curtain airbags
Deployment
The curtain airbag is deployed at the same t
ime   as   the   corresponding   lateral   airbag   in   the  
e

vent   of   a   serious   side   impact   applied   to   all   or  
p

art   of   the   side   impact   zone   B, perpendicular
to
  the   longitudinal   centreline   of   the   vehicle   on   a  
h

orizontal   plane   and   directed   from   the   outside  
t

owards   the   inside   of   the   vehicle.
The
  curtain   airbag   inflates   between   the   front   or  
r

ear   occupant   of   the   vehicle   and   the   windows.If
  this   warning   lamp   comes   on   in   the
 i

nstrument   panel,   you   must   contact
 a

  CITROËN   dealer   or   a   qualified
 w

orkshop   to   have   the   system   checked.
Operating fault
The airbags may no longer be deployed in the e
vent   of   a   serious   impact.
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(a )  Universal   child   seat:   child   seat   which   can  b
e   installed   in   all   vehicles   using   the   seat  
bel

t.
( b )
 
G
roup   0:   from   birth   to   10   kg.   Infant   car  
s

eats and "car cots" cannot be installed on
the
 f

ront
 p
assenger
 sea
t.
W

hen installed in the 2
nd row, they may p
revent
 
the
 
use
 
of
 
one
 
or   more   seats.
( c )
 
C

onsult
 
the
 
legislation
 
in   force   in   your  
c

ountry
 
before
 
installing
  your   child   on   this  
sea

t.
Remove
  and   stow   the   head   restraint  
b

efore   installing   a   child   seat   on   a  
p

assenger   seat.   Refit   the   head   restraint  
o

nce   the   child   seat   has   been   removed.
U
:
 
S
eat   suitable   for   the   installation   of   a   child  
s

eat   secured   using   the   seat   belt   and  
u

niversally   approved   rear ward   facing   and/
or
  for ward   facing.
( d )
 
W

hen
 
a
 
rear ward
 
facing
  child   seat   is  
i

nstalled
 
on
 
the
 
front
 
passenger   seat,  
t

he
 
passenger's
 
front
 
airbag   must   be  
d

eactivated.
 
Other wise
 
the   child   would   risk  
b

eing
 
seriously
 
injured
 
or   killed   if   the   airbag  
w

ere
 
deployed.
 W

hen
 
a
 
for ward
 
facing
 
child   seat   is  
i

nstalled
 
on
 
the
 
front
 
passenger   seat,   leave  
t

he
 
passenger's
 
front
 
airbag   active. (
e )
T
o install a child seat on a rear seat,
rear ward   facing   or   for ward   facing,   move  
t

he   front   seat   for ward,   then   straighten   the  
b

ackrest   to   allow   enough   space   for   the  
c

hild   seat   and   the   child's   legs.
( f )  
A
  child   seat   with   support   leg   must   never   be  i
nstalled   on   the   centre   rear   seat.
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Your vehicle has been approved in accordance
with the latest ISOFIX regulation .
The seats, represented below, are fitted with
regulation
 I

SOFIX
 m
ountings:
"ISOFIX" mountings
There are three rings for each seat: -  
a
  ring   B   behind   the   seat   for   fixing   the   upper  
s

trap, referred to as the TOP TETHER
.
The TOP TETHER is used to secure the
upper   strap   of   child   seats   that   have   one.   This  
a

rrangement   limits   the   for ward   tipping   of   the  
c

hild   seat   in   the   event   of   a   front   impact.
This
  ISOFIX   mounting   system   provides   fast,  
r

eliable   and   safe   fitting   of   the   child   seat   in   your  
v

ehicle. For
  information   on   the   possibilities   for  
i

nstalling   ISOFIX   child   seats   in   your  
v

ehicle,   refer   to   the   summary   table.
The incorrect installation of a child seat
in
  a   vehicle   compromises   the   child's  
p

rotection   in   the   event   of   an   accident.
Follow
  the   instructions   for   fitting   child  
s

eats   contained   in   the   installation   guide  
s

upplied   with   the   child   seat.
When
  fitting   an   ISOFIX   child   seat   to   the   left  
h

and   rear   seat,   before   fitting   the   seat,   first  
m

ove   the   centre   rear   seat   belt   towards   the  
m

iddle   of   the   vehicle,   so   as   to   avoid   the   seat  
i

nter fering   with   the   operation   of   the   seat   belt.The ISOFIX child seats are fitted with two
latches
  which   are   secured   on   the   two   rings   A
.
Some   seats   also   have   an   upper strap
,   known  
a

s the TOP TETHER, which is attached to
ring B .
To   secure   the   child   seat   to   the   TOP   TETHER:
-  
r
emove   and   stow   the   head   restraint   before  
i

nstalling   the   child   seat   in   this   seating  
p

osition (refit it once the child seat has
been   removed),
-
p
ass the strap of the child seat over the top
of   the   seat   backrest,   centred   between   the  
a

pertures for the head restraint rods,
-  f ix   the   hook   of   the   upper   strap   to   the   ring   B
,
-  t ighten   the   upper   strap.
-
 
t
wo   rings   A, located between the vehicle
seat
  back   and   cushion,   indicated   by  
a m

arking,
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Locations for ISOFIX child seats
In accordance with European Regulations, this table indicates the options for installing ISOFIX child seats on seats in the vehicle fitted with ISOFIX mountings.
In
  the   case   of   universal   and   semi-universal   ISOFIX   child   seats,   the   ISOFIX   size   category,   determined   by   a   letter   from   A to G, is indicated on the child
seat
  next   to   the   ISOFIX   logo.
I UF:

s
eat suitable for the installation of an I sofix
  Universal seat, F or ward
  facing   secured   using   the  
u

pper   strap.
IL- SU: seat suitable for the installation of an I sofix
  Semi- Universal
 sea

t
 ei
ther:
-
 
r
ear ward   facing   fitted   with   an   upper   strap   or   a   support   leg,
-
 
f
or ward   facing   fitted   with   a   support   leg,
-
 
a
n   infant   cot   fitted   with   an   upper   strap   or   a   support   leg.Weight of the child
  /   indicative   age
Less than 10 kg (group 0)
Up to about 6 months Less than 10 kg
(group 0)
Less than 13 kg (group 0+)
Up to about 1 year From 9 to 18 kg (group 1)
From
  about   1   to   3   years
Type of ISOFIX child seat Infant car seatrearward facing rearward facing forward facing
ISOFIX size categor y F G C D E C D A B B1
1
st row Front p assenger sea t Not ISOFIX
2
nd row Outer rear seats
IL- SU* IL- SU IL- SU IL- SU IL- SU IUF

IL- SU
Centre rear seat Not ISOFIX
Remove
  and   stow   the   head   restraint  
b

efore   installing   a   child   seat   on   a  
p

assenger
 sea
t.
Refit the head restraint once the child
seat
  has   been   removed.
For
  more   information   on   ISOFIX   mountings  
a

nd   the   upper   strap,   refer   to   the   corresponding  
s

ection.
*
  
T

he   ISOFIX   infant   cot,   secured   to   the   lower   rings   of   an   ISOFIX   seat,   occupies   all   of   the   space   on  
t

he   rear   bench   seat.
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Locations for i-Size child seats
The i-Size child seats have two latches that engage on the two rings A.
i - U:
 
 
s
eat   suitable   for   i-Size   restraints   of   the   "universal"   category,  
f

or ward   facing   or   rear ward   facing.
Remove
  and   stow   the   head   restraint   before   installing   a   child   seat   on   a   passenger   seat.
Refit
  the   head   restraint   once   the   child   seat   has   been   removed.(
a )
 
t
o   install   a   child   seat   at   the   rear,   rear ward   facing   or   for ward   facing,  
m

ove   the   front   seat   for ward,   then   straighten   the   backrest   to   allow  
e

nough   space   for   the   child   seat   and   the   child's   legs.
The
  i-Size   child   seats   also   have:
-
 
e
ither   an   upper   strap   which   is   attached   to   the   ring   B.
-
 
o
r   a   support   leg   which   sits   on   the   vehicle's   floor,   compatible   with   seat   approved   for   i-Size,   the   role   of   which   is   to   prevent   the   child   seat   from   tipping  
f

or wards   in   the   event   of   a   collision.
In
  accordance   with   the   new   European   Regulations,   this   table   indicates   the   options   for   installing   i-Size   child   seats   on   seats   in   the   vehicle   fitted   with  
I

SOFIX   mountings   and   approved   for   i-Size.
For
  more   information   on   ISOFIX   mountings   and   the   rings,   refer   to   the   corresponding   section.i-Size child seat
1
st row Front p assenger sea t Not i-Size
2
nd row Outer rear seats (
a) i-U
Centre rear seat Not i-Size
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Child seats
Recommendations
Installing a booster
cushion
The chest part of the seat belt must be positioned   on   the   child's   shoulder   without  
t

ouching   the   neck.
Ensure that the lap part of the seat belt
passes
  correctly   over   the   child's   thighs.
CITROËN
  recommends   the   use   of   a   booster  
s

eat   which   has   a   back,   fitted   with   a   seat   belt  
g

uide   at   shoulder   level.
As
  a   safety   precaution,   do   not   leave:
-
 
o
ne   or   more   children   alone   and  
u

nsupervised in a vehicle,
-
 
a
  child   or   an   animal   in   a   vehicle   which  
i

s   exposed   to   the   sun,   with   the   windows  
c

losed,
-
 
t
he   keys   within   reach   of   children   inside  
t

he   vehicle.
To
  prevent   accidental   opening   of   the   doors,  
u

se   the   child   lock.
Take
  care   not   to   open   the   rear   windows   by  
m

ore   than   one   third.
To
  protect   young   children   from   the   rays   of  
t

he   sun,   fit   side   blinds   on   the   rear   windows.
Children at the front
For optimum installation o f t he fo rward f acing c
hild   seat,   ensure   that   the   back   of   the   child  
s

eat   is   as   close   as   possible   to   the   backrest  
o

f   the   vehicle's   seat,   or   in   contact   if   possible.
The
  head   restraint   must   be   removed   before  
i

nstalling   a   child   seat   with   a   backrest   on   the  
p

assenger
 sea
t.
Ensure that the head restraint is stowed or
attached securely so that it is not thrown
around the vehicle in the event of sharp
braking.
Refit the head restraint as soon as the child
seat
  is   removed.
The
  legislation   on   carrying   a   child   on   the  
f

ront   passenger   seat   is   specific   to   each  
c

ountry.   Refer   to   the   legislation   in   force   in  
t

he   country   in   which   you   are   driving.
Deactivate
  the   passenger's   front   airbag  
w

hen   a   rear ward   facing   child   seat   is   installed  
o

n   the   front   passenger   seat.   Other wise,   the  
c

hild   would   risk   being   seriously   injured   or  
k

illed   if   the   airbag   were   deployed.
The incorrect installation of a child seat in a
vehicle
 
compromises
 
the
 
child's
 
protection
 
in
 
t

he
 
event
 
of
 
an
 
accident.
Check
 
that
 
there
 
is
 
no
 
seat
 
belt
 
or
 
seat
 
belt
 
b

uckle
 
under
 
the
 
child
 
seat
 
as
 
this
 
could
 
de

stabilise
 i

t.
Remember
 
to
 
fasten
 
the
 
seat
 
belts
 
or
 
the
 
c

hild seat harnesses keeping the slack in
relation
 
to
 
the
 
child's
 
body
 
to a minimum ,
even
 
for
 
short
 
journeys.
For
 
the
 
installation
 
of
 
a
 
child
 
seat
 
using
 
a
 
s

eat belt, ensure that this is well tensioned
on
 
the
 
child
 
seat
 
and
 
that
 
it
 
is
 
holding
 
the
 
c

hild
 
seat
 
firmly
 
against
 
the
 
seat
 
of
 
your
 
v

ehicle.
 
If
 
your
 
front
 
passenger
 
seat
 
is
 
a

djustable,
 
move
 
it
 
for ward
 
if
 
necessary.
At the rear seats, always leave sufficient
space
 
between
 
the
 
front
 
seat
 
and:
-
 
a

 
rear ward
 
facing
 
child
 
seat,
-

t

he feet of a child seated in a for ward
facing
 
child
 
seat.
For
 
this,
 
move
 
the
 
front
 
seat
 
for ward
 
and
 
if
 
n

ecessary
 
straighten
 
its
 
backrest.
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When towing
Distribution of loads
F Distribute the load in the trailer so that the heaviest   items   are   as   close   as   possible   to  
t

he   axle   and   the   nose   weight   approaches  
t

he   maximum   permitted   without  
e

xceeding it.
Air density decreases with altitude, thus
reducing
  engine   per formance.   Above  
1 0

00 metres,   the   maximum   towed   load   must  
b

e   reduced   by   10 %   for   every   1 000   metres   of  
al

titude.
For
  more   information   on   weights   (and   the  
t

owed loads which apply to your vehicle) refer
to
  the   corresponding   section.
Side wind
F Take  into   account   the   increased   sensitivity  t
o   side   wind.
Cooling
Towing a trailer on a slope increases the temperature   of   the   coolant.
As
  the   fan   is   electrically   controlled,   its   cooling  
c

apacity   is   not   dependent   on   the   engine   speed.
F
 
T
o   lower   the   engine   speed,   reduce   your  
s

peed.
The
  maximum   towed   load   on   a   long   incline  
d

epends   on   the   gradient   and   the   ambient  
t

emperature.
In
  all   cases,   keep   a   check   on   the   coolant  
t

emperature. F
 
I
f   the   warning   lamp   and   the  
S

TOP
 
warning   lamp   come   on,  
s

top the vehicle and switch off
the
  engine   as   soon   as   possible.
Braking
Towing a trailer increases the braking distance.
T o   avoid   overheating   of   the   brakes,   the   use   of  
e

ngine   braking   is   recommended.
Ty r e s
F Check  the   tyre   pressures   of   the   towing  v
ehicle   and   of   the   trailer,   observing   the  
re

commended
 p
ressures.
Lighting
F Check  the   electrical   lighting   and   signalling  o
n   the   trailer   and   the   hadlamp   beam   height  
o

f   your   vehicle.
For
  more   information   on   adjusting   the  
h

eadlamp   beam   height,   refer   to   the  
c

orresponding
 s
ection.
The
  rear   parking   sensors   will   be  
d

eactivated   automatically   if   a   genuine  
C

ITROËN   towbar   is   used.
Driving